Home / 18,273.08-25,216.44-10,315.10

Finding the Fourth Proportional to 18,273.08, 25,216.44 and 10,315.10

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Solution

The fourth proportional to 18,273.08, 25,216.44 and 10,315.10 is: 14,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.08 : 25,216.44 = 10,315.10 : x
  2. Step 2: Convert to fraction form
    18,273.08/25,216.44 = 10,315.10/x
  3. Step 3: Cross multiply
    18,273.08x = 25,216.44 × 10,315.10
  4. Step 4: Simplify right side
    18,273.08x = 260,110,100.24
  5. Step 5: Solve for x
    x = 260,110,100.24/18,273.08
  6. Step 6: Final answer
    x = 14,234.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.